Authors:

You never knew the last time you were seeing someone. You didn't know when the last argument happened, or the last time you had sex, or the last time you looked into their eyes and thanked God they were in your life. After they were gone? That was all you thought about. Day and night.

J.R. Ward (2011). “J.R. Ward The Black Dagger Brotherhood Novels 5-8”, p.2938, Penguin
You never knew the last time you were seeing someone. You didn't know when the last argument happened, or the last time you had sex, or the last time you looked into their eyes and thanked God they were in your life.